Between Mill Pond by Silver St Bridge, and Bottisham Lock downstream, the river is managed by the Cam Conservators who require all craft to be licenced.
See here: http://www.camconservators.co.uk/registration.htmlAt the moment the BCU licence does not cover this, though this seems to be a vastly overpriced permit for an occasional trip.

Between Mill Pond by Silver St Bridge, and Bottisham Lock downstream, the river is managed by the Cam Conservators who require all craft to be licenced.
See here: http://www.camconservators.co.uk/registration.htmlAt the moment the BCU licence does not cover this, though this seems to be a vastly overpriced permit for an occasional trip.